<?php
/**
 * Smarty shared plugin
 *
 * @package Smarty
 * @subpackage PluginsShared
 */

/**
 * Function: smarty_make_timestamp<br>
 * Purpose:  used by other smarty functions to make a timestamp from a string.
 *
 * @author   Monte Ohrt <monte at ohrt dot com>
 * @param DateTime|int|string $string  date object, timestamp or string that can be converted using strtotime()
 * @return int
 */
function smarty_make_timestamp($string)
{
	if (empty($string)) {
		// use "now":
		return time();
	} elseif ($string instanceof DateTime) {
		return $string->getTimestamp();
	} elseif (strlen($string) == 14 && ctype_digit($string)) {
		// it is mysql timestamp format of YYYYMMDDHHMMSS?
		return mktime(substr($string, 8, 2),substr($string, 10, 2),substr($string, 12, 2),
		substr($string, 4, 2),substr($string, 6, 2),substr($string, 0, 4));
	} elseif (is_numeric($string)) {
		// it is a numeric string, we handle it as timestamp
		return (int) $string;
	} else {
		// strtotime should handle it
		$time = strtotime($string);
		if ($time == -1 || $time === false) {
			// strtotime() was not able to parse $string, use "now":
			return time();
		}
		return $time;
	}
}

?>
